Home / 66,987.14-92,441.66-36,771.77

Finding the Fourth Proportional to 66,987.14, 92,441.66 and 36,771.77

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Solution

The fourth proportional to 66,987.14, 92,441.66 and 36,771.77 is: 50,744.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,987.14 : 92,441.66 = 36,771.77 : x
  2. Step 2: Convert to fraction form
    66,987.14/92,441.66 = 36,771.77/x
  3. Step 3: Cross multiply
    66,987.14x = 92,441.66 × 36,771.77
  4. Step 4: Simplify right side
    66,987.14x = 3,399,243,507.18
  5. Step 5: Solve for x
    x = 3,399,243,507.18/66,987.14
  6. Step 6: Final answer
    x = 50,744.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.